exim problem

after rcpt to: command i wait a long time when i sending mail via exim server ?
I have problem with this exim i need to wait about 45 seconds to send email ...
Please gime me some advice

everything seems to be working fine, but sending and receiving emails to our accounts, and remote accouints, seems very, very slow! No errors in the logs that I can find, but it seems like it takes way to long to recieve and send out emails